medical MCQs – Page 382

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

7621. Collagen is rich in_____________?
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A. Glutamate and proline

B. Proline and glycine

C. Alanine and glycine

D. Glutamate and glycine

7622. Which is the poorest source of calcium among the following______________?
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A. Egg yolk

B. Rice

C. Human milk

D. Cows milk

7623. Unsaturated fatty acids are converted to______________?
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A. Cholesterol

B. Saturated fatty acid

C. Prostaglandins

D. Cell membrane lipid

7624. The most important role of cholesterol is_____________?
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A. It is a component of cell membrane

B. It stores up energy

C. None of the above

D. It is a precursor of polyunsaturated fatty acids

7625. Following is non-essential amino acid_______________?
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A. Proline

B. Phenylalanine

C. Tryptophan

D. Threonine

7626. The substance essential for transfter of fatty acids across mitochondrial membrance_____________?
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A. Carnitine

B. Creatine

C. Creatinine

D. Coenzyme A

7627. Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?
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A. Normal metabolism

B. All of the above

C. Oxygen toxicity

D. Reperfusion after ischemic injury

7628. FIGLU excretion test is to estimate deficiency of_______________?
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A. Vitamin folic acid

B. Vitamin B6

C. Niacin

D. Vitamin K

7629. Normal level of serum phosphorous is_____________?
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A. 1-2 mgm%

B. 7-9 mgm%

C. 40-50 mgm%

D. 2.5 4.5 mgm%

7630. Genes are_____________?
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A. Ribonucleic acid

B. Lipoproteins

C. Chromo proteins

D. Deoxy ribonucleic acid

7631. Niacin & riboflavin help in_____________?
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A. Methyl group transfer

B. Amine group transfer

C. Transamination reaction

D. Redox reactions

7632. False statement about haemoglobin structure________________?
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A. Hb structurally similar to myoglobin

B. Iron is present in ferrous state

C. Ferrous ions are in porphyrin rings

D. Hb has 2 polypeptide chains

7633. The daily requirement of protein for the adults is_________________?
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A. 60 gms

B. 120 gms

C. 6 gms

D. 250 gms

7634. Iron is complexed in haemoglobin to_______________?
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A. Valine

B. Leucine

C. Isoleucine

D. Histidine

7635. Cereals are deficient in_____________?
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A. Vitamin C

B. Vitamin B complex

C. Iron

D. Calcium

7636. Which of the following amino acid is involved in gluconeogenesis______________?
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A. Valine

B. Glycine

C. Cysteline

D. All of the above

7637. Saponification means hydrolysis of fats by________________?
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A. Alkali

B. Enzymes

C. Water

D. Acid

7638. Which vitamin is related to a co-factor in glycine metabolism is______________?
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A. Folic acid

B. Vit E

C. Cobalamine

D. Thiamine

7639. All of the following are globular proteins except_______________?
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A. Myosin

B. Albumin

C. Prolamines

D. Globulin

7640. The process of transfer of information from the RNA to the proteins is called______________?
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A. Mutation

B. Conjugation

C. Translation

D. Transcription

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